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Formation of Coal and other Nonrenewable Resources CH 7.2

Formation of Coal and other Nonrenewable Resources CH 7.2. Nonrenewable Resources. Used for energy Resources that exist in limited amounts Fossil Fuels coal, petroleum, and natural gas Formed from remains of living things. Organic, because they contain hydrocarbons

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Formation of Coal and other Nonrenewable Resources CH 7.2

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  1. Formation of Coal and other Nonrenewable Resources CH 7.2

  2. Nonrenewable Resources • Used for energy • Resources that exist in limited amounts • Fossil Fuels • coal, petroleum, and natural gas • Formed from remains of living things. • Organic, because they contain hydrocarbons • They contain energy due to the circle of life • When burned they release energy

  3. Formation of Coal • Most commonly burned fossil fuel • Coal are plants that have undergone carbonization. • Carbonization occurs when partially decomposed plant material is buried in swamp mud and becomes peat. • Bacteria consume some of the peat and release the gases methane and carbon dioxide.

  4. Formation of Coal (conc.) • As gases escape, the chemical content of the peat gradually changes until mainly carbon remains. • The complex chemical and physical changes that produce coal happen only if oxygen in a swamp is absent. • When conditions are not right for carbonization or if the time required for coal formation has not elapsed, peat remains. • Peat may be used as an energy source • Scotland, Ireland, Russia

  5. Types of Coal

  6. Nonrenewable Resources

  7. Fossil Fuel Supplies • Crude Oil AKA Unrefined Petroleum • Used in production of plastics, synthetic fabrics, medicines, waxes, synthetic rubber, insecticides, chemical fertilizers, detergents, shampoos, and many other products • Coal • Most abundant in Us, Russia, China • Some interest in Shale for possible petroleum but might be more expensive.

  8. Environmental Impacts of Mining • Can cause a variety of environmental problems • Air and Noise Pollution • Water Pollution • Surface mining- especially bad for wildlife • Explosions lead to soil degradation.

  9. Mining Regulations • Regulations used to stop pollution of water, air, and soil. • Clean Water Act • Safe Drinking Water Act • Comprehensive Environmental Response Compensation and Liability Act • Federal Endangered Species Act

  10. Mine Reclamation • Where mining companies are required to return mined land to its original condition after mining is completed. • Helps to reduced long-lasting environmental impacts of mining.

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